Home / 20,269,791.30-27,971,966.28-10,977,285.90

Finding the Fourth Proportional to 20,269,791.30, 27,971,966.28 and 10,977,285.90

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Solution

The fourth proportional to 20,269,791.30, 27,971,966.28 and 10,977,285.90 is: 15,148,467.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269,791.30 : 27,971,966.28 = 10,977,285.90 : x
  2. Step 2: Convert to fraction form
    20,269,791.30/27,971,966.28 = 10,977,285.90/x
  3. Step 3: Cross multiply
    20,269,791.30x = 27,971,966.28 × 10,977,285.90
  4. Step 4: Simplify right side
    20,269,791.30x = 307,056,271,040,719.50
  5. Step 5: Solve for x
    x = 307,056,271,040,719.50/20,269,791.30
  6. Step 6: Final answer
    x = 15,148,467.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.